import sys

n = input()
nums = [int(_) for _ in input().split(" ")]
fu = 0
ping = 0.0
ping_count = 0
for _ in nums:
    if _ < 0:
        fu += 1
    elif _ > 0:
        ping += _
        ping_count += 1
if not ping_count:
    ping_count = 1
print(fu,round(ping*1.0/ping_count*1.0,11))